Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ketchikan power-deep tunnel provides winter flow
Illustrated description of supplementary hydroelectric plant with two generators at Ketchikan, Alaska; vicinity map of project with outline of watershed; electrical facilities; diversion dam; construction of power house; 1000-ft diversion tunnel driven 70 ft below surface of Upper Silvis Lake.
Ketchikan power-deep tunnel provides winter flow
Illustrated description of supplementary hydroelectric plant with two generators at Ketchikan, Alaska; vicinity map of project with outline of watershed; electrical facilities; diversion dam; construction of power house; 1000-ft diversion tunnel driven 70 ft below surface of Upper Silvis Lake.
Ketchikan power-deep tunnel provides winter flow
Western Construction News
Jacobson, A. (Autor:in)
1946
4 pages
Aufsatz (Zeitschrift)
Englisch
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